Home / 82,002.02-123,003.30-25,847.42

Finding the Fourth Proportional to 82,002.02, 123,003.30 and 25,847.42

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Solution

The fourth proportional to 82,002.02, 123,003.30 and 25,847.42 is: 38,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,002.02 : 123,003.30 = 25,847.42 : x
  2. Step 2: Convert to fraction form
    82,002.02/123,003.30 = 25,847.42/x
  3. Step 3: Cross multiply
    82,002.02x = 123,003.30 × 25,847.42
  4. Step 4: Simplify right side
    82,002.02x = 3,179,317,956.49
  5. Step 5: Solve for x
    x = 3,179,317,956.49/82,002.02
  6. Step 6: Final answer
    x = 38,771.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.